Countably Many Weakenings of Belnap–Dunn Logic Minghui MaYuanlei Lin OriginalPaper 12 December 2018 Pages: 163 - 198
When is a Schema Not a Schema? On a Remark by Suszko Lloyd HumberstoneAllen Hazen OriginalPaper 02 January 2019 Pages: 199 - 220
Complexity of the Universal Theory of Modal Algebras Dmitry ShkatovClint J. Van Alten OriginalPaper 17 January 2019 Pages: 221 - 237
Extended Contact Algebras and Internal Connectedness Tatyana Ivanova OriginalPaper 24 January 2019 Pages: 239 - 254
Epimorphisms, Definability and Cardinalities T. MoraschiniJ. G. RafteryJ. J. Wannenburg OriginalPaper 07 February 2019 Pages: 255 - 275
Infinite Forcing and the Generic Multiverse Giorgio Venturi ReviewPaper 12 February 2019 Pages: 277 - 290
Normality, Non-contamination and Logical Depth in Classical Natural Deduction Marcello D’AgostinoDov GabbaySanjay Modgil OriginalPaper 18 February 2019 Pages: 291 - 357
Simple Axiomatizations for Pretabular Classical Relevance Logics Asadollah Fallahi OriginalPaper 19 February 2019 Pages: 359 - 393